llm-safety MCP servers

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antrieb

MCP server Claude CodeCodexCursor +2

Validates AI infra code on real VMs. Self-corrects until it works. No containers, no sandboxes. Remote server at antrieb.sh.

not rated 14 5mo ago A tokens not measured original Apache-2.0

promptrejectormcp

revsmoke/promptrejectormcp

MCP server Claude CodeCodexCursor +2

Security gateway for AI agents: detects prompt injections, jailbreaks, and common vulnerabilities. Runs locally from the prompt-rejector npm package. Needs 1 environment variable to run.

not rated 2 23d ago A tokens not measured original ISC

valta-mcp

Valta-hq/Valta-MCP

MCP server Claude CodeCodexCursor +2

MCP server for Valta — financial governance for AI agents. Spend gates and audit trail exposed as MCP tools. Runs locally from the valta-mcp npm package.

not rated 1 3mo ago A tokens not measured original MIT

gatekeeper

Runestone-Labs/gatekeeper

MCP server Claude CodeCodexCursor +2

Run MCP tool calls through Runestone Gatekeeper — policy enforcement, human approval, audit. Runs locally from the @runestone-labs/gatekeeper-mcp npm package. Needs 4 environment variables to run.

not rated 0 15d ago A tokens not measured original Apache-2.0

receiptguard

GHGuide/receiptguard

MCP server Claude CodeCodexCursor +2

MCP server "receiptguard" as configured in GHGuide/receiptguard. Runs locally from the receiptguard Python package.

not rated 0 3mo ago A tokens not measured original MIT